Find the Volume of the Solid Generated by Revolving the Region

Multiple Choice

Find the volume of the solid generated by revolving the region about the y-axis.
-The region enclosed by the triangle with vertices (0, 0) , ( 5, 0) , ( 5, 2)

A) 100 $\pi$
B) 100/3 $\pi$
C) 25/3 $\pi$
D) 50/3 $\pi$